Math, asked by ronita3, 1 year ago

(√3+√7)(3√3-5√7) please help me

Answers

Answered by mriganka2
2

( \sqrt{3}  +  \sqrt{7} )(3 \sqrt{3}  - 5 \sqrt{7} )
 = 9 - 5 \sqrt{21}  + 3 \sqrt{21}  - 35
 = -2 (13 +  \sqrt{21} ) \\ or... \\  =  - 35.16515

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